Colo Colo 4-1 Union La Calera – Result & Analysis
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Poisson model favours Colo Colo (59%) — form and H2H data both point in the same direction as Colo Colo face Union La Calera.
✍️ Match Preview
Match Analysis
Colo Colo host Union La Calera at Estadio Monumental David Arellano in Primera División, Regular Season - 28. Kick-off is scheduled for Sunday 23 November 2025 at 23:30 UTC.
Recent Form
Across all Primera División games this season, Colo Colo have gone 4W 4D 2L from 10 outings — a 1.60 PPG return. Last five: W L D W W. They are averaging 1.40 goals per game and conceding 1.10 — a modest attacking output that tempers optimism on the Over 2.5 market. 4 clean sheets in 10 games (40%) reflects a solid defensive base. This season is still relatively young for Colo Colo, so this record blends games from this season and last.
In front of their own supporters this season, Colo Colo have posted 6W 3D 1L at Estadio Monumental David Arellano — 2.10 PPG. They are averaging 2.40 goals per home game — a prolific scoring rate in front of their own fans. 4 home clean sheets from 10 games (40%) — a solid defensive base on their own ground. BTTS has landed in 60% of their home matches — a rate that supports the Yes angle in this fixture. Their home PPG of 2.10 is noticeably stronger than their overall 1.60 — Colo Colo are significantly better at Estadio Monumental David Arellano than their overall form suggests.
Union La Calera — All Games: 2W 1D 7L from 10 Primera División fixtures this season — 0.70 PPG. Last five: W L W L L. Their scoring rate of 1.00 per game is modest, conceding 1.40 — not a side to back heavily on the Over 2.5 from their form alone. 2 clean sheets from 10 outings suggests some defensive organisation. This season is still relatively young for Union La Calera, so this record blends games from this season and last.
Union La Calera's form when playing away from home: 2W 2D 6L across 10 road games this term (0.80 PPG). Away from home they average 0.80 goals scored and 1.40 conceded per game.
On current form, Colo Colo have the edge — a 0.90 PPG advantage (1.60 vs 0.70) represents a meaningful gap. That momentum makes them the form-based pick, though if the outright price looks short, Draw No Bet is worth comparing.
Head to Head
Colo Colo hold a clear advantage in this fixture, picking up 5 wins from 7 previous encounters compared to 1 for Union La Calera, with 1 draws in between.
The 7 previous meetings have averaged 2.1 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 1 Jun 2025, ended 1–0 with Colo Colo winning.
The historical record gives Colo Colo a meaningful edge here — 5 wins from 7 meetings is the kind of ledger that should not be discounted when the form picture is inconclusive. Even away from home, the visitors have struggled to impose themselves in this fixture.
In-Play Profile
Colo Colo in-play tendencies (57 games, 28 at home): they score before half-time in 75% of fixtures in home games; when goalless at HT, a second-half goal follows 84% of the time; BTTS occurs in 46% of their matches (home games); Over 2.5 goals lands in 54% of games (home games).
Union La Calera in-play tendencies (57 games, 28 at away): they score before half-time in 46% of fixtures in away games; when goalless at HT, a second-half goal follows 88% of the time; BTTS occurs in 32% of their matches (away games); Over 2.5 goals lands in 18% of games (away games); they fail to score in 37% of games.
BTTS rates are mixed from the trading data — Colo Colo 46% versus Union La Calera 42%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Colo Colo 49% | Union La Calera 39%).
Poisson Model
The Poisson distribution model projects Colo Colo 1.97 xG and Union La Calera 1.03 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: Colo Colo attack 1.212 / defence 1.044 | Union La Calera attack 0.862 / defence 1.097. League average goals — home 1.484 / away 1.149. Data: 57 Colo Colo games / 57 Union La Calera games used (CurrentSeason).
Result probabilities: Colo Colo 59% | Draw 22% | Union La Calera 19%. Fair-value odds: Colo Colo 1.69 | Draw 4.55 | Union La Calera 5.26. The model has a clear lean to Colo Colo (59%) — a 40pp gap over the next-most-likely outcome reflects a meaningful statistical advantage.
Goals markets: Over 2.5 probability 58% | BTTS probability 55% | Total xG 3.01. Over 2.5 holds a meaningful probability edge at 58% — the 3.01 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS probability of 55% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Summary & Verdict
The Poisson model's primary lean is Colo Colo at 59% — clear model lean. Current-season form corroborates the Poisson lean — partial multi-source support. Draw No Bet is worth pricing alongside the outright: 22% draw probability makes the stalemate a live outcome even at this conviction level.
Poisson projects 3.01 total expected goals, pointing to Over 2.5 at 58% probability — reasonable conviction, supported by form averaging 2.9 goals per game.
The Poisson model's BTTS call is Yes at 55%. Form rates are neutral: Colo Colo 60% | Union La Calera 40%.
🔮 Your Prediction
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💡 Key Insights
🏟️ Match Context
• Fixture: Colo Colo vs Union La Calera | Competition: Primera División, Regular Season - 28 | Venue: Estadio Monumental David Arellano • Kick-off: Sunday 23 Nov 2025, 23:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Colo Colo 59% | Draw 22% | Union La Calera 19% • Poisson goal markets: Over 2.5 58% | BTTS 55% | xG Colo Colo 1.97 / Union La Calera 1.03 • Poisson strength factors: Colo Colo attack 1.212 / def 1.044 | Union La Calera attack 0.862 / def 1.097 | league avg home 1.484 / away 1.149 • Poisson stance: Colo Colo (59%) — strong lean
🧮 Prediction Model
1.97
Colo Colo xG
Expected Goals
1.03
Union La Calera xG
55%
BTTS
80%
Over 1.5
58%
Over 2.5
35%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does Colo Colo vs Union La Calera kick off?
Colo Colo vs Union La Calera kicked off at 23:30 on Sunday 23 November 2025 at Estadio Monumental David Arellano.
What was the final score in Colo Colo vs Union La Calera?
Colo Colo 4 - 1 Union La Calera.
Where is Colo Colo vs Union La Calera being played?
The match is being played at Estadio Monumental David Arellano.
What competition is Colo Colo vs Union La Calera part of?
Colo Colo vs Union La Calera is a Regular Season - 28 fixture in the Primera División (Chile).
Who is favourite to win Colo Colo vs Union La Calera?
Our statistical model gives Colo Colo a 59% chance of winning, Union La Calera a 19% chance, and a 22% chance of a draw — making Colo Colo the favourite.
Will both teams score in Colo Colo vs Union La Calera?
Our model estimates a 55% probability that both Colo Colo and Union La Calera will score (BTTS).
Will Colo Colo vs Union La Calera have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 58%.
What is the head-to-head record between Colo Colo and Union La Calera?
Record (7 meetings): Colo Colo 5W | Draws 1 | Union La Calera 1W.
What form are Colo Colo and Union La Calera in?
Colo Colo (all comps): 4W-4D-2L in 10 | 1.60 PPG | GF 1.40 / GA 1.10 | L5 W-L-D-W-W. Union La Calera (all comps): 2W-1D-7L in 10 | 0.70 PPG | GF 1.00 / GA 1.40 | L5 W-L-W-L-L.
🧮 Model Insight
How the Model Works This Match
Working from Colo Colo's attack rating (1.21) and Union La Calera's defence rating (1.10), the model arrives at 1.97 expected goals for the home side. The same calculation in reverse, Union La Calera's attack versus Colo Colo's defence, projects 1.03 expected goals for the visitors.
These ratings are built from 57/57 games of current-season data — a full enough sample to trust.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 1-1 emerges as the single most likely result, at 11.4%. Close behind: 2-1 (9.9%), 2-0 (9.6%). Those top three scorelines alone account for 31% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Colo Colo Win
59%
1.69
22%
4.65
19%
5.18
Top 3 Most Likely Scorelines
1 – 1
10.1%
Draw
Most likely
2 – 1
9.9%
Home win
1 – 0
9.8%
Home win
Expected Goals & Win Odds
1.97
Colo Colo xG
Total xG
3.01
1.03
Union La Calera xG
1.69
59%
Home win
4.65
22%
Draw
5.18
19%
Away win
Goals Markets
80%
Over 1.5
1.25
20%
Under 1.5
5.00
58%
Over 2.5
1.72
42%
Under 2.5
2.38
35%
Over 3.5
2.86
65%
Under 3.5
1.54
19%
Over 4.5
5.26
81%
Under 4.5
1.23
Match Markets
Both Teams to Score
55%
BTTS Yes
1.80
45%
BTTS No
2.25
Clean Sheet
36%
2.81
14%
7.19
Win to Nil
21%
4.75
3%
37.25
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 4.9 | 5.1 | 2.6 | 0.9 | 0.2 | – |
| 1 | 9.8 | 10.1 | 5.2 | 1.8 | 0.5 | 0.1 |
| 2 | 9.6 | 9.9 | 5.1 | 1.8 | 0.5 | 0.1 |
| 3 | 6.3 | 6.5 | 3.4 | 1.2 | 0.3 | 0.1 |
| 4 | 3.1 | 3.2 | 1.7 | 0.6 | 0.1 | – |
| 5 | 1.2 | 1.3 | 0.7 | 0.2 | 0.1 | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for Colo Colo vs Union La Calera?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 11.4%.
How many goals are Colo Colo and Union La Calera expected to score?
The model projects 1.97 expected goals for Colo Colo and 1.03 for Union La Calera, a combined total of 3.01.
How confident is the prediction model for Colo Colo vs Union La Calera?
Reasonably confident — the model's leading outcome is rated at 59%, a clear lean rather than a toss-up.
📈 Form Insight
Form at a Glance
Across their last 57 outings, Colo Colo have picked up 1.89 PPG on a 32W 12D 13L record — W-L-D-W-W across the most recent five. The sample for Colo Colo is still a mix of this season and last, given how young the current campaign is.
Union La Calera's form line: 17W 12D 28L from 57 games, 1.11 PPG, last five W-L-W-L-L. The sample for Union La Calera is still a mix of this season and last, given how young the current campaign is.
Put side by side, Colo Colo are the form team by 0.78 points per game — a gap wide enough to matter, though form alone rarely tells the whole story against Union La Calera.
Venue Form
On home soil, Colo Colo have posted 2.18 PPG from 28 outings (19W 4D 5L).
On the road, Union La Calera have gone 6W 7D 15L from 28 away games — 0.89 PPG when travelling.
Comparing the two in their relevant venue splits, Colo Colo come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Goals in Recent Form
Colo Colo are averaging 1.58 goals scored and 0.89 conceded per game recently; Union La Calera are on 0.96 scored and 1.26 conceded.
Defensively: Colo Colo have kept a clean sheet in 39% of their games — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 57 Results — Primera División
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Colo Colo
Blended
Union La Calera
Blended
❓ Frequently Asked Questions
What form are Colo Colo and Union La Calera in coming into this match?
Colo Colo have gone 32W 12D 13L in their last 57 games (1.89 PPG), while Union La Calera have gone 17W 12D 28L in their last 57 (1.11 PPG).
Which team has the better venue record — Colo Colo at home or Union La Calera away?
Colo Colo's home record (2.18 PPG) is the stronger of the two venue-specific splits — Colo Colo at home: 2.18 PPG; Union La Calera away: 0.89 PPG.
Have Colo Colo or Union La Calera been keeping clean sheets recently?
Colo Colo have kept a clean sheet in 39% of their recent games, Union La Calera in 26%.
⚔️ Rivalry Insight
Fixture History
10 meetings separate these sides on the data we hold, the series stretching back to March 2022. Every recorded meeting has come in Primera División. The two were last together as recently as 9 August 2026, so this form is fresh in the memory.
Streaks & Records
Colo Colo go into this on the back of 7 straight wins in the series — the current momentum sits squarely with them.
The biggest gap between the sides came on 31 Mar 2022, when Colo Colo won 4-0 — the largest margin of victory on record between these two.
Colo Colo's record when hosting Union La Calera specifically: 5W 0D 0L from 5 games — a narrower, venue-specific slice of the head-to-head picture.
Last 10 Meetings
8
Colo Colo
1
Draws
1
Union La Calera
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Colo Colo and Union La Calera?
From 10 meetings on record, Colo Colo have won 8, Union La Calera have won 1, and 1 have been drawn.
When did Colo Colo and Union La Calera last play each other?
They last met on 9 August 2026, when Union La Calera 1-2 Colo Colo.
Who has won more matches between Colo Colo and Union La Calera?
Colo Colo have the better head-to-head record, with 8 wins from 10 meetings.
📈 Trading Insight
First-Half Patterns
Colo Colo are typically involved in an early goal — the half-time board shows at least one in 75% of their matches. They've gone in front at half-time 36% of the time. They've also shown some fight from behind, salvaging a draw or win after trailing at half-time in 14% of those situations.
Union La Calera see a goal before the break in 46% of their matches.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Colo Colo 46%, Union La Calera 32% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 54% (Colo Colo) and 18% (Union La Calera).
On the defensive side: Colo Colo keep a clean sheet in 39% of their matches; Union La Calera in 46%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Colo Colo home games / Union La Calera away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Colo Colo play Union La Calera?
Not especially — both teams scoring has occurred in only 46% of Colo Colo's recent matches and 32% of Union La Calera's, a rate that leans toward BTTS No.
Is Colo Colo vs Union La Calera usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 54% of Colo Colo's recent games and 18% of Union La Calera's, pointing to a tighter contest.
Do Colo Colo and Union La Calera tend to score early?
Colo Colo have had a goal before half-time in 75% of their recent matches, Union La Calera in 46% — a useful reference point for first-half goal markets.
Dominant Colo Colo run riot with a 4-1 hammering of Union La Calera.
📝 Match Report
How It Unfolded
Colo Colo beat Union La Calera 4-1 at Estadio Monumental David Arellano, Regular Season - 28, in the Primera División. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting Colo Colo 1.97 xG and Union La Calera 1.03 xG, a combined 3.01. The scoreboard read 4-1 for 5 actual goals. Colo Colo beat their projection by 2.0 — clinical relative to the chances the model priced in. Those figures were built on strength ratings of Colo Colo attack 1.21 / defence 1.04 against Union La Calera attack 0.86 / defence 1.10, drawn from 57/57 games (CurrentSeason).
On the result, the model split it Colo Colo 59% | Draw 22% | Union La Calera 19%, with Colo Colo to win its most likely call at 59%. The result followed the model's preferred path, landing its top-rated outcome.
Goals & Markets
The model rated Over 2.5 goals at 58%. The game delivered 5, so it went over — in line with the projection. Over 1.5 had been 80% and landed. Over 3.5 was 35% and came in. On both teams to score, the model sat at 55% and the match saw both sides score — another call in the model's favour. Historically the two sides average 44% Over 2.5 across their same-competition games (Colo Colo 49%, Union La Calera 39%), a base rate that pointed the other way from today's over. Their combined BTTS history runs at 44%, which did not match the both-scored outcome.
Trading Patterns vs Reality
Colo Colo's trading profile (57 games, 28 home) set some clear expectations: BTTS lands in 46% of their matches — today it did; they keep a clean sheet 39% of the time, and conceded here.
Union La Calera's trading profile (57 games, 28 away) set some clear expectations: BTTS lands in 42% of their matches — today it did.
Form vs Result
On form, Colo Colo arrived the stronger side — 1.89 PPG against 1.11. Form held, and they took the win. Colo Colo (home/away splits) scored 4 against a 1.93 average — above their attacking norm. Union La Calera (home/away splits) shipped 4 against a 1.18 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 4 of 4 pre-match signals came in: result (hit), Over 2.5 (hit), BTTS (hit), form (hit). A strong night for the model: the result sat comfortably inside what the pre-match data projected.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.